CA1185566A - Separation of particulate materials using an alternating potential electrostatic field - Google Patents

Separation of particulate materials using an alternating potential electrostatic field

Info

Publication number
CA1185566A
CA1185566A CA000441283A CA441283A CA1185566A CA 1185566 A CA1185566 A CA 1185566A CA 000441283 A CA000441283 A CA 000441283A CA 441283 A CA441283 A CA 441283A CA 1185566 A CA1185566 A CA 1185566A
Authority
CA
Canada
Prior art keywords
particles
field
electrode
electric field
electrode means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000441283A
Other languages
English (en)
French (fr)
Inventor
Ion I. Inculet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blue Circle Industries PLC
Original Assignee
Blue Circle Industries PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Blue Circle Industries PLC filed Critical Blue Circle Industries PLC
Application granted granted Critical
Publication of CA1185566A publication Critical patent/CA1185566A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C7/00—Separating solids from solids by electrostatic effect
    • B03C7/02—Separators
    • B03C7/04—Separators with material carriers in the form of trays, troughs, or tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C7/00—Separating solids from solids by electrostatic effect
    • B03C7/02—Separators
    • B03C7/023—Non-uniform field separators

Landscapes

  • Electrostatic Separation (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Control Of El Displays (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Soft Magnetic Materials (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Glass Compositions (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Filtering Materials (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
CA000441283A 1982-11-17 1983-11-16 Separation of particulate materials using an alternating potential electrostatic field Expired CA1185566A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8232853 1982-11-17
GB8232853 1982-11-17

Publications (1)

Publication Number Publication Date
CA1185566A true CA1185566A (en) 1985-04-16

Family

ID=10534335

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000441283A Expired CA1185566A (en) 1982-11-17 1983-11-16 Separation of particulate materials using an alternating potential electrostatic field

Country Status (13)

Country Link
US (1) US4514289A (xx)
EP (1) EP0109827B1 (xx)
JP (1) JPS59109260A (xx)
AT (1) ATE25207T1 (xx)
AU (1) AU557832B2 (xx)
CA (1) CA1185566A (xx)
DE (1) DE3369471D1 (xx)
DK (1) DK525283A (xx)
ES (1) ES8504491A1 (xx)
FI (1) FI834195A (xx)
GB (1) GB2130921B (xx)
NO (1) NO834169L (xx)
ZA (1) ZA838557B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2124237C (en) * 1994-02-18 2004-11-02 Bernard Cohen Improved nonwoven barrier and method of making the same
CA2136576C (en) * 1994-06-27 2005-03-08 Bernard Cohen Improved nonwoven barrier and method of making the same
WO1996017569A2 (en) * 1994-12-08 1996-06-13 Kimberly-Clark Worldwide, Inc. Method of forming a particle size gradient in an absorbent article
CA2153278A1 (en) * 1994-12-30 1996-07-01 Bernard Cohen Nonwoven laminate barrier material
WO1996037276A1 (en) * 1995-05-25 1996-11-28 Kimberly-Clark Worldwide, Inc. Filter matrix
US5834384A (en) * 1995-11-28 1998-11-10 Kimberly-Clark Worldwide, Inc. Nonwoven webs with one or more surface treatments
US5887724A (en) * 1996-05-09 1999-03-30 Pittsburgh Mineral & Environmental Technology Methods of treating bi-modal fly ash to remove carbon
US6074458A (en) * 1997-02-24 2000-06-13 Separation Technologies, Inc. Method and apparatus for separation of unburned carbon from flyash
US6537932B1 (en) 1997-10-31 2003-03-25 Kimberly-Clark Worldwide, Inc. Sterilization wrap, applications therefor, and method of sterilizing
MY139225A (en) 1998-02-26 2009-08-28 Anglo Operations Ltd Method and apparatus for separating particles
US6365088B1 (en) 1998-06-26 2002-04-02 Kimberly-Clark Worldwide, Inc. Electret treatment of high loft and low density nonwoven webs
US6038987A (en) * 1999-01-11 2000-03-21 Pittsburgh Mineral And Environmental Technology, Inc. Method and apparatus for reducing the carbon content of combustion ash and related products
US6452126B1 (en) 1999-03-12 2002-09-17 Mba Polymers, Inc. Electrostatic separation enhanced by media addition
US6320148B1 (en) 1999-08-05 2001-11-20 Roe-Hoan Yoon Electrostatic method of separating particulate materials
EP1572370B1 (en) * 2002-07-22 2011-09-14 MBA Polymers, Inc. Mediating electrostatic separations
CN102836786B (zh) * 2012-09-07 2015-05-27 上海交通大学 一种基于摩擦静电的物料分离装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA464598A (en) * 1950-04-25 Okolicsanyi Ferenc Method and apparatus for sorting small articles such as seeds and the like
GB464598A (en) * 1936-03-20 1937-04-21 Owen Brogan Improvements in or relating to self-closing piston valves
US2699869A (en) * 1952-04-18 1955-01-18 Gen Mills Inc Electrostatic separator
US2848727A (en) * 1953-04-07 1958-08-26 Western Electric Co Apparatus for separating articles
US2848108A (en) * 1956-12-31 1958-08-19 Gen Mills Inc Method and apparatus for electrostatic separation
US3162592A (en) * 1960-04-20 1964-12-22 Pohl Herbert Ackland Materials separation using non-uniform electric fields
FR1374392A (fr) * 1963-06-27 1964-10-09 Sames Mach Electrostat Procédé de triage électrostatique et moyens pour la mise en oeuvre de ce procédé
FR1398172A (fr) * 1964-03-27 1965-05-07 Sames Mach Electrostat Procédé de séparation électrostatique et installations pour la mise en oeuvre de ce procédé
US3489279A (en) * 1966-12-09 1970-01-13 Owens Illinois Inc Particulate separator and size classifier
US3720312A (en) * 1970-07-09 1973-03-13 Fmc Corp Separation of particulate material by the application of electric fields
US3739554A (en) * 1971-12-01 1973-06-19 Gen Electric Air filter utilizing alternating current electric fields
BE792786A (fr) * 1971-12-31 1973-03-30 Commissariat Energie Atomique Procede et dispositif de prelevement de particules dans un gaz avec separation granulometrique
GB2087267B (en) * 1980-10-16 1985-02-13 De Beers Ind Diamond Method for the electrostatic separation of solids
US4357234A (en) * 1981-05-18 1982-11-02 Canadian Patents & Development Limited Alternating potential electrostatic separator of particles with different physical properties

Also Published As

Publication number Publication date
ES527330A0 (es) 1985-05-01
ZA838557B (en) 1985-07-31
FI834195A0 (fi) 1983-11-16
DK525283A (da) 1984-05-18
GB2130921A (en) 1984-06-13
GB8330610D0 (en) 1983-12-21
DE3369471D1 (en) 1987-03-05
DK525283D0 (da) 1983-11-16
JPS59109260A (ja) 1984-06-23
AU557832B2 (en) 1987-01-08
AU2135183A (en) 1984-05-24
US4514289A (en) 1985-04-30
EP0109827B1 (en) 1987-01-28
NO834169L (no) 1984-05-18
ATE25207T1 (de) 1987-02-15
EP0109827A1 (en) 1984-05-30
ES8504491A1 (es) 1985-05-01
GB2130921B (en) 1986-02-19
FI834195A (fi) 1984-05-18

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry